Motion
Velocity is described by an object's __________ and ________.
What is...
Direction and Speed
3 types of force
What are...
Gravity, friction, elasticity, electricity, and magnetism
The official term for any stored energy.
What is...
Potential Energy
The official term for the energy of motion.
What is...
Kinetic Energy
The state of matter modeled with its particles tightly packed together, with low kinetic energy.
What is...
solid
Three examples of directions...
What are...
Up, Down, Foward, Backwards, etc
The force that occurs when matter rubs against matter
What is...
Friction
Where a roller coaster has the most gravitational potential energy.
What is...
The top of the first hill
The pitch with more kinetic energy:
a fast ball, or an underhanded pitch
What is...
Fast ball
The ___________ of a gas is modeled as the number of collisions between gas particles and the wall of their container.
What is...
pressure
Speed equals ________ traveled divided by ________ spent moving.
What is...
distance, time
The force that causes an upwardly-thrown projectile to turn in mid-air.
What is...
Gravity
As an object falls, the __________ gravitational potential energy it has, and the _________ kinetic energy.
What is...
less, more
All ______ objects have kinetic energy.
What is...
Moving
Electricity is modeled as the motion of particles called ________
What are...
electrons
The property of an object that is the product of the object's mass and velocity.
What is...
Momentum
A smaller force may be applied to change an object's motion if that force is applied for ______ time.
What is...
more/longer
The north pole on a magnet has the most potential energy relative to another magnet's north pole at the _______ distance.
What is...
closest/smallest
The object with more kinetic energy:
a motorcycle going 50 mph, or a semi truck going 50 mph
What is...
the semi truck going 50 mph
When a gas tank is heated its particles begin to ________ .
What is...
move faster
Unless acted on by a force, objects in ________ tend to stay in _______, and objects at _____ tend to stay in at _____.
What are...
motion, motion, rest, rest
A push or pull that causes a change in an object's motion.
What is...
Force
Three different objects in the room with potential energy ordered from most potential energy to least.
What are...
Example: clock, a book on a desk, and a pencil on the floor.
Where a roller coaster has the highest kinetic energy.
What is...
At the bottom of the hill.
Oppositely charged particles __________.
What is...
attract